/*
 * Copyright 2022 Expedia, Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.expediagroup.graphql.generator.federation

import com.expediagroup.graphql.generator.federation.directives.EXTERNAL_DIRECTIVE_TYPE
import com.expediagroup.graphql.generator.federation.directives.FieldSet
import com.expediagroup.graphql.generator.federation.directives.KEY_DIRECTIVE_TYPE
import com.expediagroup.graphql.generator.federation.directives.REQUIRES_DIRECTIVE_TYPE
import graphql.schema.GraphQLAppliedDirective

internal fun getKeyDirective(directiveValue: String): GraphQLAppliedDirective = KEY_DIRECTIVE_TYPE.toAppliedDirective()
    .transform { directiveBuilder ->
        directiveBuilder.argument(
            KEY_DIRECTIVE_TYPE.getArgument("fields")
                .toAppliedArgument()
                .transform { argumentBuilder ->
                    argumentBuilder.valueProgrammatic(FieldSet(directiveValue))
                }
        )
    }

internal fun getRequiresDirective(directiveValue: String): GraphQLAppliedDirective = REQUIRES_DIRECTIVE_TYPE.toAppliedDirective()
    .transform { directiveBuilder ->
        directiveBuilder.argument(
            REQUIRES_DIRECTIVE_TYPE.getArgument("fields")
                .toAppliedArgument()
                .transform { argumentBuilder ->
                    argumentBuilder.valueProgrammatic(FieldSet(directiveValue))
                }
        )
    }

internal val externalDirective: GraphQLAppliedDirective = EXTERNAL_DIRECTIVE_TYPE.toAppliedDirective()
